70445536 has 36 divisors (see below), whose sum is σ = 161336448. Its totient is φ = 30190272.

The previous prime is 70445519. The next prime is 70445539. The reversal of 70445536 is 63554407.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445539) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20896 + ... + 24031.

It is an arithmetic number, because the mean of its divisors is an integer number (4481568).

Almost surely, 2^70445536 is an apocalyptic number.

It is an amenable number.

70445536 is an abundant number, since it is smaller than the sum of its proper divisors (90890912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70445536 is a wasteful number, since it uses less digits than its factorization.

70445536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44951 (or 44936 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 70445536 is about 8393.1839012380. The cubic root of 70445536 is about 413.0010533345.

The spelling of 70445536 in words is "seventy million, four hundred forty-five thousand, five hundred thirty-six".