70916530 has 32 divisors (see below), whose sum is σ = 133106688. Its totient is φ = 27172800.

The previous prime is 70916509. The next prime is 70916533. The reversal of 70916530 is 3561907.

70916530 = 83² + 84² + ... + 597².

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 70916492 and 70916501.

It is not an unprimeable number, because it can be changed into a prime (70916533) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30820 + ... + 33040.

It is an arithmetic number, because the mean of its divisors is an integer number (4159584).

Almost surely, 2^70916530 is an apocalyptic number.

70916530 is a deficient number, since it is larger than the sum of its proper divisors (62190158).

70916530 is a wasteful number, since it uses less digits than its factorization.

70916530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2362.

The product of its (nonzero) digits is 5670, while the sum is 31.

The square root of 70916530 is about 8421.1952833312. The cubic root of 70916530 is about 413.9194418003.

The spelling of 70916530 in words is "seventy million, nine hundred sixteen thousand, five hundred thirty".