725073106 has 4 divisors (see below), whose sum is σ = 1087609662. Its totient is φ = 362536552.

The previous prime is 725073071. The next prime is 725073113. The reversal of 725073106 is 601370527.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 601370527 = 127 ⋅4735201.

It can be written as a sum of positive squares in only one way, i.e., 721405881 + 3667225 = 26859^2 + 1915^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 181268275 + ... + 181268278.

Almost surely, 2^725073106 is an apocalyptic number.

725073106 is a deficient number, since it is larger than the sum of its proper divisors (362536556).

725073106 is a wasteful number, since it uses less digits than its factorization.

725073106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 362536555.

The product of its (nonzero) digits is 8820, while the sum is 31.

The square root of 725073106 is about 26927.1815457912. The cubic root of 725073106 is about 898.3810838855.

The spelling of 725073106 in words is "seven hundred twenty-five million, seventy-three thousand, one hundred six".