70499438 has 4 divisors (see below), whose sum is σ = 105749160. Its totient is φ = 35249718.

The previous prime is 70499417. The next prime is 70499441. The reversal of 70499438 is 83499407.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17624858 + ... + 17624861.

It is an arithmetic number, because the mean of its divisors is an integer number (26437290).

Almost surely, 2^70499438 is an apocalyptic number.

70499438 is a deficient number, since it is larger than the sum of its proper divisors (35249722).

70499438 is a wasteful number, since it uses less digits than its factorization.

70499438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35249721.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 70499438 is about 8396.3943451937. The cubic root of 70499438 is about 413.1063635669.

The spelling of 70499438 in words is "seventy million, four hundred ninety-nine thousand, four hundred thirty-eight".