70996940 has 48 divisors (see below), whose sum is σ = 172113984. Its totient is φ = 24096000.

The previous prime is 70996927. The next prime is 70996957. The reversal of 70996940 is 4969907.

It is a junction number, because it is equal to n+sod(n) for n = 70996891 and 70996900.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11630 + ... + 16650.

It is an arithmetic number, because the mean of its divisors is an integer number (3585708).

Almost surely, 2^70996940 is an apocalyptic number.

70996940 is a gapful number since it is divisible by the number (70) 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 70996940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86056992).

70996940 is an abundant number, since it is smaller than the sum of its proper divisors (101117044).

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

70996940 is a wasteful number, since it uses less digits than its factorization.

70996940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5138 (or 5136 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 44.

The square root of 70996940 is about 8425.9681936262. The cubic root of 70996940 is about 414.0758260764.

The spelling of 70996940 in words is "seventy million, nine hundred ninety-six thousand, nine hundred forty".