70493636 has 24 divisors (see below), whose sum is σ = 125153280. Its totient is φ = 34739712.

The previous prime is 70493617. The next prime is 70493651. The reversal of 70493636 is 63639407.

70493636 = T₄₀₁ + T₄₀₂ + ... + T₇₈₆.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 70493636.

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, 97685 + ... + 98403.

It is an arithmetic number, because the mean of its divisors is an integer number (5214720).

Almost surely, 2^70493636 is an apocalyptic number.

It is an amenable number.

70493636 is a deficient number, since it is larger than the sum of its proper divisors (54659644).

70493636 is a wasteful number, since it uses less digits than its factorization.

70493636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1041 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 70493636 is about 8396.0488326355. The cubic root of 70493636 is about 413.0950305741.

The spelling of 70493636 in words is "seventy million, four hundred ninety-three thousand, six hundred thirty-six".