39472478 has 8 divisors (see below), whose sum is σ = 59309040. Its totient is φ = 19702800.

The previous prime is 39472427. The next prime is 39472529. The reversal of 39472478 is 87427493.

It is an interprime number because it is at equal distance from previous prime (39472427) and next prime (39472529).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15218 + ... + 17621.

It is an arithmetic number, because the mean of its divisors is an integer number (7413630).

Almost surely, 2^39472478 is an apocalyptic number.

39472478 is a deficient number, since it is larger than the sum of its proper divisors (19836562).

39472478 is a wasteful number, since it uses less digits than its factorization.

39472478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33442.

The product of its digits is 338688, while the sum is 44.

The square root of 39472478 is about 6282.7126307034. The cubic root of 39472478 is about 340.4851148865.

The spelling of 39472478 in words is "thirty-nine million, four hundred seventy-two thousand, four hundred seventy-eight".