74940641 has 8 divisors (see below), whose sum is σ = 79503840. Its totient is φ = 70394688.

The previous prime is 74940631. The next prime is 74940643. The reversal of 74940641 is 14604947.

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

It is not a de Polignac number, because 74940641 - 2¹⁴ = 74924257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74940643) 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, 5270 + ... + 13328.

It is an arithmetic number, because the mean of its divisors is an integer number (9937980).

Almost surely, 2^74940641 is an apocalyptic number.

It is an amenable number.

74940641 is a deficient number, since it is larger than the sum of its proper divisors (4563199).

74940641 is a wasteful number, since it uses less digits than its factorization.

74940641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 74940641 is about 8656.8262660169. The cubic root of 74940641 is about 421.6050470208.

The spelling of 74940641 in words is "seventy-four million, nine hundred forty thousand, six hundred forty-one".