70520348 has 12 divisors (see below), whose sum is σ = 123578112. Its totient is φ = 35212320.

The previous prime is 70520341. The next prime is 70520353. The reversal of 70520348 is 84302507.

It is a happy number.

It is a super-2 number, since 2×70520348² = 9946238964082208, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70520348.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70520341) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8540 + ... + 14627.

It is an arithmetic number, because the mean of its divisors is an integer number (10298176).

Almost surely, 2^70520348 is an apocalyptic number.

It is an amenable number.

70520348 is a deficient number, since it is larger than the sum of its proper divisors (53057764).

70520348 is a wasteful number, since it uses less digits than its factorization.

70520348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23932 (or 23930 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 70520348 is about 8397.6394302209. The cubic root of 70520348 is about 413.1472017184.

The spelling of 70520348 in words is "seventy million, five hundred twenty thousand, three hundred forty-eight".