70280394 has 16 divisors (see below), whose sum is σ = 141013632. Its totient is φ = 23351328.

The previous prime is 70280389. The next prime is 70280401. The reversal of 70280394 is 49308207.

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, 16834 + ... + 20589.

It is an arithmetic number, because the mean of its divisors is an integer number (8813352).

Almost surely, 2^70280394 is an apocalyptic number.

70280394 is an abundant number, since it is smaller than the sum of its proper divisors (70733238).

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

70280394 is a wasteful number, since it uses less digits than its factorization.

70280394 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37741.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 70280394 is about 8383.3402650733. The cubic root of 70280394 is about 412.6780748135.

The spelling of 70280394 in words is "seventy million, two hundred eighty thousand, three hundred ninety-four".