725542070 has 32 divisors (see below), whose sum is σ = 1429076736. Its totient is φ = 263023200.

The previous prime is 725542049. The next prime is 725542087. The reversal of 725542070 is 70245527.

It is a super-2 number, since 2×725542070² = 1052822590679769800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26447 + ... + 46373.

It is an arithmetic number, because the mean of its divisors is an integer number (44658648).

Almost surely, 2^725542070 is an apocalyptic number.

725542070 is a deficient number, since it is larger than the sum of its proper divisors (703534666).

725542070 is a wasteful number, since it uses less digits than its factorization.

725542070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20276.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 725542070 is about 26935.8881420309. Note that the first 3 decimals coincide. The cubic root of 725542070 is about 898.5747276180.

Adding to 725542070 its reverse (70245527), we get a palindrome (795787597).

The spelling of 725542070 in words is "seven hundred twenty-five million, five hundred forty-two thousand, seventy".