74402207 has 4 divisors (see below), whose sum is σ = 81166056. Its totient is φ = 67638360.

The previous prime is 74402189. The next prime is 74402213. The reversal of 74402207 is 70220447.

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 74402207 - 2¹² = 74398111 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 (74402267) 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, 3381908 + ... + 3381929.

It is an arithmetic number, because the mean of its divisors is an integer number (20291514).

Almost surely, 2^74402207 is an apocalyptic number.

74402207 is a deficient number, since it is larger than the sum of its proper divisors (6763849).

74402207 is a wasteful number, since it uses less digits than its factorization.

74402207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6763848.

The product of its (nonzero) digits is 3136, while the sum is 26.

The square root of 74402207 is about 8625.6713941583. The cubic root of 74402207 is about 420.5929022296.

The spelling of 74402207 in words is "seventy-four million, four hundred two thousand, two hundred seven".