70387234 has 8 divisors (see below), whose sum is σ = 109221660. Its totient is φ = 33980016.

The previous prime is 70387231. The next prime is 70387241. The reversal of 70387234 is 43278307.

It can be written as a sum of positive squares in 2 ways, for example, as 67158025 + 3229209 = 8195^2 + 1797^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 70387234.

It is not an unprimeable number, because it can be changed into a prime (70387231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606729 + ... + 606844.

Almost surely, 2^70387234 is an apocalyptic number.

70387234 is a deficient number, since it is larger than the sum of its proper divisors (38834426).

70387234 is a wasteful number, since it uses less digits than its factorization.

70387234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213604.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 70387234 is about 8389.7100069073. The cubic root of 70387234 is about 412.8870861739.

The spelling of 70387234 in words is "seventy million, three hundred eighty-seven thousand, two hundred thirty-four".