70613730 has 48 divisors (see below), whose sum is σ = 200289024. Its totient is φ = 17118240.

The previous prime is 70613729. The next prime is 70613731. The reversal of 70613730 is 3731607.

It is an interprime number because it is at equal distance from previous prime (70613729) and next prime (70613731).

It is a junction number, because it is equal to n+sod(n) for n = 70613694 and 70613703.

It is not an unprimeable number, because it can be changed into a prime (70613731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 34674 + ... + 36653.

It is an arithmetic number, because the mean of its divisors is an integer number (4172688).

Almost surely, 2^70613730 is an apocalyptic number.

70613730 is an abundant number, since it is smaller than the sum of its proper divisors (129675294).

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

70613730 is a wasteful number, since it uses less digits than its factorization.

70613730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71351 (or 71348 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 70613730 is about 8403.1976056737. The cubic root of 70613730 is about 413.3294824187.

The spelling of 70613730 in words is "seventy million, six hundred thirteen thousand, seven hundred thirty".