70552137 has 4 divisors (see below), whose sum is σ = 94069520. Its totient is φ = 47034756.

The previous prime is 70552133. The next prime is 70552147. The reversal of 70552137 is 73125507.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 70552137 - 2² = 70552133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70552133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11758687 + ... + 11758692.

It is an arithmetic number, because the mean of its divisors is an integer number (23517380).

Almost surely, 2^70552137 is an apocalyptic number.

It is an amenable number.

70552137 is a deficient number, since it is larger than the sum of its proper divisors (23517383).

70552137 is a wasteful number, since it uses less digits than its factorization.

70552137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23517382.

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 70552137 is about 8399.5319512459. The cubic root of 70552137 is about 413.2092715740.

The spelling of 70552137 in words is "seventy million, five hundred fifty-two thousand, one hundred thirty-seven".