70605137 has 2 divisors, whose sum is σ = 70605138. Its totient is φ = 70605136.

The previous prime is 70605133. The next prime is 70605149. The reversal of 70605137 is 73150607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45914176 + 24690961 = 6776^2 + 4969^2 .

It is a cyclic number.

It is not a de Polignac number, because 70605137 - 2² = 70605133 is a prime.

It is not a weakly prime, because it can be changed into another prime (70605133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35302568 + 35302569.

It is an arithmetic number, because the mean of its divisors is an integer number (35302569).

Almost surely, 2^70605137 is an apocalyptic number.

It is an amenable number.

70605137 is a deficient number, since it is larger than the sum of its proper divisors (1).

70605137 is an equidigital number, since it uses as much as digits as its factorization.

70605137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4410, while the sum is 29.

The square root of 70605137 is about 8402.6862966554. The cubic root of 70605137 is about 413.3127156874.

The spelling of 70605137 in words is "seventy million, six hundred five thousand, one hundred thirty-seven".