70296561 has 48 divisors (see below), whose sum is σ = 112320000. Its totient is φ = 42197760.

The previous prime is 70296557. The next prime is 70296563. The reversal of 70296561 is 16569207.

70296561 is a `hidden beast` number, since 7 + 0 + 2 + 96 + 561 = 666.

It is not a de Polignac number, because 70296561 - 2² = 70296557 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70296563) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 471715 + ... + 471863.

It is an arithmetic number, because the mean of its divisors is an integer number (2340000).

Almost surely, 2^70296561 is an apocalyptic number.

It is an amenable number.

70296561 is a deficient number, since it is larger than the sum of its proper divisors (42023439).

70296561 is a wasteful number, since it uses less digits than its factorization.

70296561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 291 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 70296561 is about 8384.3044434228. The cubic root of 70296561 is about 412.7097159514.

The spelling of 70296561 in words is "seventy million, two hundred ninety-six thousand, five hundred sixty-one".