70287406 has 32 divisors (see below), whose sum is σ = 123402240. Its totient is φ = 29405376.

The previous prime is 70287377. The next prime is 70287421. The reversal of 70287406 is 60478207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113610 + ... + 114226.

It is an arithmetic number, because the mean of its divisors is an integer number (3856320).

Almost surely, 2^70287406 is an apocalyptic number.

70287406 is a deficient number, since it is larger than the sum of its proper divisors (53114834).

70287406 is a wasteful number, since it uses less digits than its factorization.

70287406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 70287406 is about 8383.7584650323. The cubic root of 70287406 is about 412.6917988991.

The spelling of 70287406 in words is "seventy million, two hundred eighty-seven thousand, four hundred six".