70653530 has 16 divisors (see below), whose sum is σ = 134657640. Its totient is φ = 26598912.

The previous prime is 70653521. The next prime is 70653563. The reversal of 70653530 is 3535607.

It can be written as a sum of positive squares in 4 ways, for example, as 56896849 + 13756681 = 7543^2 + 3709^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70653493 and 70653502.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 207635 + ... + 207974.

Almost surely, 2^70653530 is an apocalyptic number.

70653530 is a deficient number, since it is larger than the sum of its proper divisors (64004110).

70653530 is a wasteful number, since it uses less digits than its factorization.

70653530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415633.

The product of its (nonzero) digits is 9450, while the sum is 29.

The square root of 70653530 is about 8405.5654182214. The cubic root of 70653530 is about 413.4071227667.

The spelling of 70653530 in words is "seventy million, six hundred fifty-three thousand, five hundred thirty".