70527428 has 12 divisors (see below), whose sum is σ = 123814572. Its totient is φ = 35151840.

The previous prime is 70527409. The next prime is 70527437. The reversal of 70527428 is 82472507.

It can be written as a sum of positive squares in 2 ways, for example, as 4072324 + 66455104 = 2018^2 + 8152^2 .

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, 26543 + ... + 29078.

It is an arithmetic number, because the mean of its divisors is an integer number (10317881).

Almost surely, 2^70527428 is an apocalyptic number.

It is an amenable number.

70527428 is a deficient number, since it is larger than the sum of its proper divisors (53287144).

70527428 is a wasteful number, since it uses less digits than its factorization.

70527428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55942 (or 55940 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 70527428 is about 8398.0609666756. The cubic root of 70527428 is about 413.1610274410.

The spelling of 70527428 in words is "seventy million, five hundred twenty-seven thousand, four hundred twenty-eight".