74727061 has 8 divisors (see below), whose sum is σ = 75627864. Its totient is φ = 73831680.

The previous prime is 74727049. The next prime is 74727067. The reversal of 74727061 is 16072747.

It can be written as a sum of positive squares in 4 ways, for example, as 9036036 + 65691025 = 3006^2 + 8105^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 74727061 - 2⁷ = 74726933 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 (74727067) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30751 + ... + 33091.

It is an arithmetic number, because the mean of its divisors is an integer number (9453483).

Almost surely, 2^74727061 is an apocalyptic number.

It is an amenable number.

74727061 is a deficient number, since it is larger than the sum of its proper divisors (900803).

74727061 is a wasteful number, since it uses less digits than its factorization.

74727061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2711.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 74727061 is about 8644.4815344820. The cubic root of 74727061 is about 421.2041426776.

The spelling of 74727061 in words is "seventy-four million, seven hundred twenty-seven thousand, sixty-one".