74712261 has 16 divisors (see below), whose sum is σ = 107690240. Its totient is φ = 45800640.

The previous prime is 74712259. The next prime is 74712269. The reversal of 74712261 is 16221747.

It is not a de Polignac number, because 74712261 - 2¹ = 74712259 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 (74712269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7035 + ... + 14103.

It is an arithmetic number, because the mean of its divisors is an integer number (6730640).

Almost surely, 2^74712261 is an apocalyptic number.

It is an amenable number.

74712261 is a deficient number, since it is larger than the sum of its proper divisors (32977979).

74712261 is a wasteful number, since it uses less digits than its factorization.

74712261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7356.

The product of its digits is 4704, while the sum is 30.

The square root of 74712261 is about 8643.6254546342. The cubic root of 74712261 is about 421.1763337740.

The spelling of 74712261 in words is "seventy-four million, seven hundred twelve thousand, two hundred sixty-one".