70993450 has 48 divisors (see below), whose sum is σ = 149052960. Its totient is φ = 24920000.

The previous prime is 70993409. The next prime is 70993451. The reversal of 70993450 is 5439907.

It is not an unprimeable number, because it can be changed into a prime (70993451) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13725 + ... + 18175.

It is an arithmetic number, because the mean of its divisors is an integer number (3105270).

Almost surely, 2^70993450 is an apocalyptic number.

70993450 is an abundant number, since it is smaller than the sum of its proper divisors (78059510).

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

70993450 is a wasteful number, since it uses less digits than its factorization.

70993450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503 (or 4498 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 37.

The square root of 70993450 is about 8425.7610932188. The cubic root of 70993450 is about 414.0690410501.

The spelling of 70993450 in words is "seventy million, nine hundred ninety-three thousand, four hundred fifty".