70398588 has 48 divisors (see below), whose sum is σ = 177430176. Its totient is φ = 21596160.

The previous prime is 70398583. The next prime is 70398593. The reversal of 70398588 is 88589307.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70398583) and next prime (70398593).

It is a super-2 number, since 2×70398588² = 9911922384787488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70398583) 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, 92128 + ... + 92888.

It is an arithmetic number, because the mean of its divisors is an integer number (3696462).

Almost surely, 2^70398588 is an apocalyptic number.

70398588 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

70398588 is an abundant number, since it is smaller than the sum of its proper divisors (107031588).

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

70398588 is a wasteful number, since it uses less digits than its factorization.

70398588 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1372 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 48.

The square root of 70398588 is about 8390.3866418658. The cubic root of 70398588 is about 412.9092855968.

The spelling of 70398588 in words is "seventy million, three hundred ninety-eight thousand, five hundred eighty-eight".