74401007 has 4 divisors (see below), whose sum is σ = 74418840. Its totient is φ = 74383176.

The previous prime is 74401003. The next prime is 74401031. The reversal of 74401007 is 70010447.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 74401007 - 2² = 74401003 is a prime.

It is a super-2 number, since 2×74401007² = 11071019685228098, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74401003) 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, 1073 + ... + 12245.

It is an arithmetic number, because the mean of its divisors is an integer number (18604710).

Almost surely, 2^74401007 is an apocalyptic number.

74401007 is a deficient number, since it is larger than the sum of its proper divisors (17833).

74401007 is a wasteful number, since it uses less digits than its factorization.

74401007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17832.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 74401007 is about 8625.6018340751. The cubic root of 74401007 is about 420.5906410324.

The spelling of 74401007 in words is "seventy-four million, four hundred one thousand, seven".