70298736 has 80 divisors (see below), whose sum is σ = 187249920. Its totient is φ = 22717440.

The previous prime is 70298729. The next prime is 70298737. The reversal of 70298736 is 63789207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70298737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 291576 + ... + 291816.

It is an arithmetic number, because the mean of its divisors is an integer number (2340624).

Almost surely, 2^70298736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70298736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93624960).

70298736 is an abundant number, since it is smaller than the sum of its proper divisors (116951184).

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

70298736 is a wasteful number, since it uses less digits than its factorization.

70298736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 414 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The square root of 70298736 is about 8384.4341490646. The cubic root of 70298736 is about 412.7139723681.

The spelling of 70298736 in words is "seventy million, two hundred ninety-eight thousand, seven hundred thirty-six".