74371047 has 16 divisors (see below), whose sum is σ = 101157888. Its totient is φ = 48592800.

The previous prime is 74371043. The next prime is 74371067. The reversal of 74371047 is 74017347.

It is not a de Polignac number, because 74371047 - 2² = 74371043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 74370999 and 74371017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74371043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30018 + ... + 32400.

It is an arithmetic number, because the mean of its divisors is an integer number (6322368).

Almost surely, 2^74371047 is an apocalyptic number.

74371047 is a deficient number, since it is larger than the sum of its proper divisors (26786841).

74371047 is a wasteful number, since it uses less digits than its factorization.

74371047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2590.

The product of its (nonzero) digits is 16464, while the sum is 33.

The square root of 74371047 is about 8623.8649687944. The cubic root of 74371047 is about 420.5341785915.

The spelling of 74371047 in words is "seventy-four million, three hundred seventy-one thousand, forty-seven".