70427655 has 12 divisors (see below), whose sum is σ = 122074680. Its totient is φ = 37561392.

The previous prime is 70427647. The next prime is 70427657. The reversal of 70427655 is 55672407.

It is not a de Polignac number, because 70427655 - 2³ = 70427647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70427657) 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, 782485 + ... + 782574.

It is an arithmetic number, because the mean of its divisors is an integer number (10172890).

Almost surely, 2^70427655 is an apocalyptic number.

70427655 is a deficient number, since it is larger than the sum of its proper divisors (51647025).

70427655 is a wasteful number, since it uses less digits than its factorization.

70427655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1565070 (or 1565067 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 70427655 is about 8392.1186240424. The cubic root of 70427655 is about 412.9661067305.

The spelling of 70427655 in words is "seventy million, four hundred twenty-seven thousand, six hundred fifty-five".