70520752 has 20 divisors (see below), whose sum is σ = 138171960. Its totient is φ = 34863488.

The previous prime is 70520741. The next prime is 70520759. The reversal of 70520752 is 25702507.

It is a super-4 number, since 4×70520752⁴ (a number of 32 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70520752.

It is not an unprimeable number, because it can be changed into a prime (70520759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23338 + ... + 26185.

It is an arithmetic number, because the mean of its divisors is an integer number (6908598).

Almost surely, 2^70520752 is an apocalyptic number.

It is an amenable number.

70520752 is a deficient number, since it is larger than the sum of its proper divisors (67651208).

70520752 is a wasteful number, since it uses less digits than its factorization.

70520752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49620 (or 49614 counting only the distinct ones).

The product of its (nonzero) digits is 4900, while the sum is 28.

The square root of 70520752 is about 8397.6634845652. The cubic root of 70520752 is about 413.1479906687.

The spelling of 70520752 in words is "seventy million, five hundred twenty thousand, seven hundred fifty-two".