70918998 has 8 divisors (see below), whose sum is σ = 141838008. Its totient is φ = 23639664.

The previous prime is 70918957. The next prime is 70919021. The reversal of 70918998 is 89981907.

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

70918998 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 70918998.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5909911 + ... + 5909922.

It is an arithmetic number, because the mean of its divisors is an integer number (17729751).

Almost surely, 2^70918998 is an apocalyptic number.

70918998 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

70918998 is a wasteful number, since it uses less digits than its factorization.

70918998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11819838.

The product of its (nonzero) digits is 326592, while the sum is 51.

The square root of 70918998 is about 8421.3418170740. The cubic root of 70918998 is about 413.9242434139.

It can be divided in two parts, 7091899 and 8, that added together give a palindrome (7091907).

The spelling of 70918998 in words is "seventy million, nine hundred eighteen thousand, nine hundred ninety-eight".