70978376 has 48 divisors (see below), whose sum is σ = 160568640. Its totient is φ = 28810080.

The previous prime is 70978367. The next prime is 70978403. The reversal of 70978376 is 67387907.

It is a self number, because there is not a number n which added to its sum of digits gives 70978376.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18461 + ... + 21971.

It is an arithmetic number, because the mean of its divisors is an integer number (3345180).

Almost surely, 2^70978376 is an apocalyptic number.

70978376 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70978376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80284320).

70978376 is an abundant number, since it is smaller than the sum of its proper divisors (89590264).

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

70978376 is a wasteful number, since it uses less digits than its factorization.

70978376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3539 counting only the distinct ones).

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 70978376 is about 8424.8665271326. The cubic root of 70978376 is about 414.0397326254.

The spelling of 70978376 in words is "seventy million, nine hundred seventy-eight thousand, three hundred seventy-six".