70225657 has 8 divisors (see below), whose sum is σ = 74541600. Its totient is φ = 65930304.

The previous prime is 70225643. The next prime is 70225679. The reversal of 70225657 is 75652207.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 70225657 - 2¹¹ = 70223609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70225607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2194 + ... + 12052.

It is an arithmetic number, because the mean of its divisors is an integer number (9317700).

Almost surely, 2^70225657 is an apocalyptic number.

It is an amenable number.

70225657 is a deficient number, since it is larger than the sum of its proper divisors (4315943).

70225657 is a wasteful number, since it uses less digits than its factorization.

70225657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10295.

The product of its (nonzero) digits is 29400, while the sum is 34.

The square root of 70225657 is about 8380.0749996644. The cubic root of 70225657 is about 412.5709106132.

The spelling of 70225657 in words is "seventy million, two hundred twenty-five thousand, six hundred fifty-seven".