75070890 has 48 divisors (see below), whose sum is σ = 195681096. Its totient is φ = 19968000.

The previous prime is 75070889. The next prime is 75070903. The reversal of 75070890 is 9807057.

It can be written as a sum of positive squares in 4 ways, for example, as 71927361 + 3143529 = 8481^2 + 1773^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46090 + ... + 47690.

Almost surely, 2^75070890 is an apocalyptic number.

75070890 is an abundant number, since it is smaller than the sum of its proper divisors (120610206).

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

75070890 is a wasteful number, since it uses less digits than its factorization.

75070890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2132 counting only the distinct ones).

The product of its (nonzero) digits is 17640, while the sum is 36.

The square root of 75070890 is about 8664.3459072223. The cubic root of 75070890 is about 421.8491595695.

The spelling of 75070890 in words is "seventy-five million, seventy thousand, eight hundred ninety".