70295247 has 12 divisors (see below), whose sum is σ = 110768424. Its totient is φ = 42603120.

The previous prime is 70295243. The next prime is 70295249. The reversal of 70295247 is 74259207.

It is not a de Polignac number, because 70295247 - 2² = 70295243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70295243) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 354928 + ... + 355125.

It is an arithmetic number, because the mean of its divisors is an integer number (9230702).

Almost surely, 2^70295247 is an apocalyptic number.

70295247 is a deficient number, since it is larger than the sum of its proper divisors (40473177).

70295247 is a wasteful number, since it uses less digits than its factorization.

70295247 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710070 (or 710067 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 70295247 is about 8384.2260823525. The cubic root of 70295247 is about 412.7071444461.

The spelling of 70295247 in words is "seventy million, two hundred ninety-five thousand, two hundred forty-seven".