74471070 has 32 divisors (see below), whose sum is σ = 188138880. Its totient is φ = 18813600.

The previous prime is 74471053. The next prime is 74471081. The reversal of 74471070 is 7017447.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64756 + ... + 65895.

It is an arithmetic number, because the mean of its divisors is an integer number (5879340).

Almost surely, 2^74471070 is an apocalyptic number.

74471070 is an abundant number, since it is smaller than the sum of its proper divisors (113667810).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74471070 is a wasteful number, since it uses less digits than its factorization.

74471070 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130680.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 74471070 is about 8629.6622181868. The cubic root of 74471070 is about 420.7226222076.

The spelling of 74471070 in words is "seventy-four million, four hundred seventy-one thousand, seventy".