70643244 has 24 divisors (see below), whose sum is σ = 188382208. Its totient is φ = 20183760.

The previous prime is 70643233. The next prime is 70643269. The reversal of 70643244 is 44234607.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420412 + ... + 420579.

Almost surely, 2^70643244 is an apocalyptic number.

It is an amenable number.

70643244 is an abundant number, since it is smaller than the sum of its proper divisors (117738964).

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

70643244 is a wasteful number, since it uses less digits than its factorization.

70643244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 841005 (or 841003 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 70643244 is about 8404.9535394314. The cubic root of 70643244 is about 413.3870600181.

The spelling of 70643244 in words is "seventy million, six hundred forty-three thousand, two hundred forty-four".