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74031701 = 647311437
BaseRepresentation
bin1000110100110…
…10001001010101
312011022012101212
410122122021111
5122423003301
611202431205
71556154602
oct432321125
9164265355
1074031701
1138875127
1220962505
1312450953
149b916a9
1567754bb
hex469a255

74031701 has 4 divisors (see below), whose sum is σ = 74049612. Its totient is φ = 74013792.

The previous prime is 74031679. The next prime is 74031703. The reversal of 74031701 is 10713047.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 17631601 + 56400100 = 4199^2 + 7510^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74031701 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74031703) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 755 + ... + 12191.

It is an arithmetic number, because the mean of its divisors is an integer number (18512403).

Almost surely, 274031701 is an apocalyptic number.

It is an amenable number.

74031701 is a deficient number, since it is larger than the sum of its proper divisors (17911).

74031701 is a wasteful number, since it uses less digits than its factorization.

74031701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17910.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 74031701 is about 8604.1676529459. The cubic root of 74031701 is about 419.8935879319.

Adding to 74031701 its reverse (10713047), we get a palindrome (84744748).

The spelling of 74031701 in words is "seventy-four million, thirty-one thousand, seven hundred one".

Divisors: 1 6473 11437 74031701