74678007 has 8 divisors (see below), whose sum is σ = 101449584. Its totient is φ = 48845888.

The previous prime is 74678003. The next prime is 74678027. The reversal of 74678007 is 70087647.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 74678007 - 2² = 74678003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74678003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234678 + ... + 234995.

It is an arithmetic number, because the mean of its divisors is an integer number (12681198).

Almost surely, 2^74678007 is an apocalyptic number.

74678007 is a deficient number, since it is larger than the sum of its proper divisors (26771577).

74678007 is a wasteful number, since it uses less digits than its factorization.

74678007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469729.

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 74678007 is about 8641.6437672471. The cubic root of 74678007 is about 421.1119571048. Note that the first 3 decimals are identical.

The spelling of 74678007 in words is "seventy-four million, six hundred seventy-eight thousand, seven".