742971045 has 32 divisors (see below), whose sum is σ = 1228639104. Its totient is φ = 383129600.

The previous prime is 742971037. The next prime is 742971109. The reversal of 742971045 is 540179247.

It is not a de Polignac number, because 742971045 - 2³ = 742971037 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 742970994 and 742971012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 64150 + ... + 74840.

It is an arithmetic number, because the mean of its divisors is an integer number (38394972).

Almost surely, 2^742971045 is an apocalyptic number.

It is an amenable number.

742971045 is a deficient number, since it is larger than the sum of its proper divisors (485668059).

742971045 is a wasteful number, since it uses less digits than its factorization.

742971045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10853.

The product of its (nonzero) digits is 70560, while the sum is 39.

The square root of 742971045 is about 27257.4952077406. The cubic root of 742971045 is about 905.7130588963.

The spelling of 742971045 in words is "seven hundred forty-two million, nine hundred seventy-one thousand, forty-five".