70659498 has 64 divisors (see below), whose sum is σ = 175472640. Its totient is φ = 18470592.

The previous prime is 70659493. The next prime is 70659541. The reversal of 70659498 is 89495607.

It is a super-2 number, since 2×70659498² = 9985529315224008, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (70659493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68833 + ... + 69851.

It is an arithmetic number, because the mean of its divisors is an integer number (2741760).

Almost surely, 2^70659498 is an apocalyptic number.

70659498 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 70659498, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87736320).

70659498 is an abundant number, since it is smaller than the sum of its proper divisors (104813142).

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

70659498 is a wasteful number, since it uses less digits than its factorization.

70659498 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 70659498 is about 8405.9204136133. The cubic root of 70659498 is about 413.4187624033.

The spelling of 70659498 in words is "seventy million, six hundred fifty-nine thousand, four hundred ninety-eight".