74772067 has 4 divisors (see below), whose sum is σ = 75888136. Its totient is φ = 73656000.

The previous prime is 74772053. The next prime is 74772073. The reversal of 74772067 is 76027747.

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 74772067 - 2²³ = 66383459 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74772007) 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, 557934 + ... + 558067.

It is an arithmetic number, because the mean of its divisors is an integer number (18972034).

Almost surely, 2^74772067 is an apocalyptic number.

74772067 is a deficient number, since it is larger than the sum of its proper divisors (1116069).

74772067 is a wasteful number, since it uses less digits than its factorization.

74772067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1116068.

The product of its (nonzero) digits is 115248, while the sum is 40.

The square root of 74772067 is about 8647.0843062850. The cubic root of 74772067 is about 421.2886854967.

The spelling of 74772067 in words is "seventy-four million, seven hundred seventy-two thousand, sixty-seven".