70977996 has 36 divisors (see below), whose sum is σ = 188861400. Its totient is φ = 22413888.

The previous prime is 70977979. The next prime is 70978007. The reversal of 70977996 is 69977907.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51201 + ... + 52568.

It is an arithmetic number, because the mean of its divisors is an integer number (5246150).

Almost surely, 2^70977996 is an apocalyptic number.

70977996 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

70977996 is an abundant number, since it is smaller than the sum of its proper divisors (117883404).

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

70977996 is a wasteful number, since it uses less digits than its factorization.

70977996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103798 (or 103793 counting only the distinct ones).

The product of its (nonzero) digits is 1500282, while the sum is 54.

The square root of 70977996 is about 8424.8439748164. The cubic root of 70977996 is about 414.0389937367.

The spelling of 70977996 in words is "seventy million, nine hundred seventy-seven thousand, nine hundred ninety-six".