70753980 has 192 divisors, whose sum is σ = 232243200. Its totient is φ = 15924480.

The previous prime is 70753973. The next prime is 70753981. The reversal of 70753980 is 8935707.

It is a super-2 number, since 2×70753980² = 10012251371680800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70753981) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 895581 + ... + 895659.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 2^70753980 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 70753980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116121600).

70753980 is an abundant number, since it is smaller than the sum of its proper divisors (161489220).

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

70753980 is a wasteful number, since it uses less digits than its factorization.

70753980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184 (or 182 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 39.

The square root of 70753980 is about 8411.5385037459. The cubic root of 70753980 is about 413.6029472882.

The spelling of 70753980 in words is "seventy million, seven hundred fifty-three thousand, nine hundred eighty".