70528121492 has 24 divisors (see below), whose sum is σ = 125054164200. Its totient is φ = 34800445440.

The previous prime is 70528121441. The next prime is 70528121501. The reversal of 70528121492 is 29412182507.

It can be written as a sum of positive squares in 4 ways, for example, as 6257759236 + 64270362256 = 79106^2 + 253516^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 125009 + ... + 395832.

It is an arithmetic number, because the mean of its divisors is an integer number (5210590175).

Almost surely, 2^70528121492 is an apocalyptic number.

It is an amenable number.

70528121492 is a deficient number, since it is larger than the sum of its proper divisors (54526042708).

70528121492 is a wasteful number, since it uses less digits than its factorization.

70528121492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521291 (or 521289 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 41.

The spelling of 70528121492 in words is "seventy billion, five hundred twenty-eight million, one hundred twenty-one thousand, four hundred ninety-two".