70284436 has 6 divisors (see below), whose sum is σ = 122997770. Its totient is φ = 35142216.

The previous prime is 70284433. The next prime is 70284437. The reversal of 70284436 is 63448207.

It can be written as a sum of positive squares in only one way, i.e., 52272900 + 18011536 = 7230^2 + 4244^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70284433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8785551 + ... + 8785558.

Almost surely, 2^70284436 is an apocalyptic number.

It is an amenable number.

70284436 is a deficient number, since it is larger than the sum of its proper divisors (52713334).

70284436 is a wasteful number, since it uses less digits than its factorization.

70284436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17571113 (or 17571111 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 70284436 is about 8383.5813349666. The cubic root of 70284436 is about 412.6859860421.

The spelling of 70284436 in words is "seventy million, two hundred eighty-four thousand, four hundred thirty-six".