1007072639 has 8 divisors (see below), whose sum is σ = 1066826448. Its totient is φ = 947376000.

The previous prime is 1007072621. The next prime is 1007072701. The reversal of 1007072639 is 9362707001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1007072639 - 2²⁸ = 738637183 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1007072599 and 1007072608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1007072609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25109 + ... + 51425.

It is an arithmetic number, because the mean of its divisors is an integer number (133353306).

Almost surely, 2^1007072639 is an apocalyptic number.

1007072639 is a deficient number, since it is larger than the sum of its proper divisors (59753809).

1007072639 is a wasteful number, since it uses less digits than its factorization.

1007072639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28585.

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 1007072639 is about 31734.4078091903. The cubic root of 1007072639 is about 1002.3520100450.

The spelling of 1007072639 in words is "one billion, seven million, seventy-two thousand, six hundred thirty-nine".