70565472 has 192 divisors, whose sum is σ = 222082560. Its totient is φ = 21745152.

The previous prime is 70565437. The next prime is 70565479. The reversal of 70565472 is 27456507.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70565479) 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, 1053183 + ... + 1053249.

It is an arithmetic number, because the mean of its divisors is an integer number (1156680).

Almost surely, 2^70565472 is an apocalyptic number.

70565472 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 70565472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111041280).

70565472 is an abundant number, since it is smaller than the sum of its proper divisors (151517088).

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

70565472 is a wasteful number, since it uses less digits than its factorization.

70565472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 70565472 is about 8400.3257079711. The cubic root of 70565472 is about 413.2353033795.

The spelling of 70565472 in words is "seventy million, five hundred sixty-five thousand, four hundred seventy-two".