74503970 has 16 divisors (see below), whose sum is σ = 137378808. Its totient is φ = 29074560.

The previous prime is 74503967. The next prime is 74503973. The reversal of 74503970 is 7930547.

It is an interprime number because it is at equal distance from previous prime (74503967) and next prime (74503973).

It can be written as a sum of positive squares in 4 ways, for example, as 23338561 + 51165409 = 4831^2 + 7153^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 74503970.

It is not an unprimeable number, because it can be changed into a prime (74503973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90449 + ... + 91268.

Almost surely, 2^74503970 is an apocalyptic number.

74503970 is a deficient number, since it is larger than the sum of its proper divisors (62874838).

74503970 is a wasteful number, since it uses less digits than its factorization.

74503970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181765.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 74503970 is about 8631.5682236775. The cubic root of 74503970 is about 420.7845690210.

The spelling of 74503970 in words is "seventy-four million, five hundred three thousand, nine hundred seventy".