74940771 has 8 divisors (see below), whose sum is σ = 100044880. Its totient is φ = 49898592.

The previous prime is 74940763. The next prime is 74940791. The reversal of 74940771 is 17704947.

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

It is not a de Polignac number, because 74940771 - 2³ = 74940763 is a prime.

It is a super-2 number, since 2×74940771² = 11232238316148882, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74940751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12580 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (12505610).

Almost surely, 2^74940771 is an apocalyptic number.

74940771 is a deficient number, since it is larger than the sum of its proper divisors (25104109).

74940771 is a wasteful number, since it uses less digits than its factorization.

74940771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30965.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 74940771 is about 8656.8337745390. The cubic root of 74940771 is about 421.6052908077.

The spelling of 74940771 in words is "seventy-four million, nine hundred forty thousand, seven hundred seventy-one".