70622712 has 128 divisors (see below), whose sum is σ = 207360000. Its totient is φ = 22239360.

The previous prime is 70622711. The next prime is 70622723. The reversal of 70622712 is 21722607.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70622711) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 354789 + ... + 354987.

It is an arithmetic number, because the mean of its divisors is an integer number (1620000).

Almost surely, 2^70622712 is an apocalyptic number.

70622712 is a gapful number since it is divisible by the number (72) 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 70622712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103680000).

70622712 is an abundant number, since it is smaller than the sum of its proper divisors (136737288).

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

70622712 is a wasteful number, since it uses less digits than its factorization.

70622712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 288 counting only the distinct ones).

The product of its (nonzero) digits is 2352, while the sum is 27.

The square root of 70622712 is about 8403.7320280932. The cubic root of 70622712 is about 413.3470067161.

The spelling of 70622712 in words is "seventy million, six hundred twenty-two thousand, seven hundred twelve".