1970590725 has 36 divisors (see below), whose sum is σ = 3544289892. Its totient is φ = 1046592000.

The previous prime is 1970590703. The next prime is 1970590759. The reversal of 1970590725 is 5270950791.

It can be written as a sum of positive squares in 6 ways, for example, as 37933281 + 1932657444 = 6159^2 + 43962^2 .

It is not a de Polignac number, because 1970590725 - 2¹³ = 1970582533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36055 + ... + 72395.

It is an arithmetic number, because the mean of its divisors is an integer number (98452497).

Almost surely, 2^1970590725 is an apocalyptic number.

1970590725 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1970590725 is a deficient number, since it is larger than the sum of its proper divisors (1573699167).

1970590725 is a wasteful number, since it uses less digits than its factorization.

1970590725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36598 (or 36590 counting only the distinct ones).

The product of its (nonzero) digits is 198450, while the sum is 45.

The square root of 1970590725 is about 44391.3361479467. The cubic root of 1970590725 is about 1253.7149695964.

The spelling of 1970590725 in words is "one billion, nine hundred seventy million, five hundred ninety thousand, seven hundred twenty-five".