70980709428 has 48 divisors (see below), whose sum is σ = 193709544000. Its totient is φ = 22414960224.

The previous prime is 70980709417. The next prime is 70980709489. The reversal of 70980709428 is 82490708907.

70980709428 is a `hidden beast` number, since 70 + 9 + 80 + 70 + 9 + 428 = 666.

It is a super-2 number, since 2×70980709428² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

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, 17293443 + ... + 17297546.

It is an arithmetic number, because the mean of its divisors is an integer number (4035615500).

Almost surely, 2^70980709428 is an apocalyptic number.

It is an amenable number.

70980709428 is an abundant number, since it is smaller than the sum of its proper divisors (122728834572).

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

70980709428 is a wasteful number, since it uses less digits than its factorization.

70980709428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34591021 (or 34591013 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 70980709428 in words is "seventy billion, nine hundred eighty million, seven hundred nine thousand, four hundred twenty-eight".