70790247 has 32 divisors (see below), whose sum is σ = 118368000. Its totient is φ = 41418720.

The previous prime is 70790233. The next prime is 70790281. The reversal of 70790247 is 74209707.

It is not a de Polignac number, because 70790247 - 2¹¹ = 70788199 is a prime.

It is a super-2 number, since 2×70790247² = 10022518140642018, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70790207) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4504 + ... + 12722.

It is an arithmetic number, because the mean of its divisors is an integer number (3699000).

Almost surely, 2^70790247 is an apocalyptic number.

70790247 is a deficient number, since it is larger than the sum of its proper divisors (47577753).

70790247 is a wasteful number, since it uses less digits than its factorization.

70790247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8268 (or 8262 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 70790247 is about 8413.6940163046. The cubic root of 70790247 is about 413.6736032706.

The spelling of 70790247 in words is "seventy million, seven hundred ninety thousand, two hundred forty-seven".