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74969486 = 2229716319
BaseRepresentation
bin1000111011111…
…11000110001110
312020001211210122
410131333012032
5123143010421
611234504542
71600141634
oct435770616
9166054718
1074969486
1139355759
1221135152
13126bb757
149d57354
1568ad2ab
hex477f18e

74969486 has 8 divisors (see below), whose sum is σ = 112510080. Its totient is φ = 37466128.

The previous prime is 74969483. The next prime is 74969491. The reversal of 74969486 is 68496947.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×749694862 = 11240847662208392, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74969483) 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, 3566 + ... + 12753.

It is an arithmetic number, because the mean of its divisors is an integer number (14063760).

Almost surely, 274969486 is an apocalyptic number.

74969486 is a deficient number, since it is larger than the sum of its proper divisors (37540594).

74969486 is a wasteful number, since it uses less digits than its factorization.

74969486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18618.

The product of its digits is 2612736, while the sum is 53.

The square root of 74969486 is about 8658.4921320054. The cubic root of 74969486 is about 421.6591326610.

The spelling of 74969486 in words is "seventy-four million, nine hundred sixty-nine thousand, four hundred eighty-six".

Divisors: 1 2 2297 4594 16319 32638 37484743 74969486