1072724979 has 16 divisors (see below), whose sum is σ = 1470167712. Its totient is φ = 695248128.

The previous prime is 1072724977. The next prime is 1072724987. The reversal of 1072724979 is 9794272701.

It is not a de Polignac number, because 1072724979 - 2¹ = 1072724977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1072724977) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 162487 + ... + 168959.

It is an arithmetic number, because the mean of its divisors is an integer number (91885482).

Almost surely, 2^1072724979 is an apocalyptic number.

1072724979 is a deficient number, since it is larger than the sum of its proper divisors (397442733).

1072724979 is a wasteful number, since it uses less digits than its factorization.

1072724979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8006.

The product of its (nonzero) digits is 444528, while the sum is 48.

The square root of 1072724979 is about 32752.4805014826. The cubic root of 1072724979 is about 1023.6766515870.

The spelling of 1072724979 in words is "one billion, seventy-two million, seven hundred twenty-four thousand, nine hundred seventy-nine".