73406739 has 16 divisors (see below), whose sum is σ = 112220928. Its totient is φ = 41810592.

The previous prime is 73406717. The next prime is 73406759. The reversal of 73406739 is 93760437.

It is not a de Polignac number, because 73406739 - 2⁹ = 73406227 is a prime.

It is a super-2 number, since 2×73406739² = 10777098661228242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 73406697 and 73406706.

It is not an unprimeable number, because it can be changed into a prime (73406759) 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, 1144 + ... + 12170.

It is an arithmetic number, because the mean of its divisors is an integer number (7013808).

Almost surely, 2^73406739 is an apocalyptic number.

73406739 is a deficient number, since it is larger than the sum of its proper divisors (38814189).

73406739 is a wasteful number, since it uses less digits than its factorization.

73406739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11354.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 73406739 is about 8567.7732813141. The cubic root of 73406739 is about 418.7086926210.

The spelling of 73406739 in words is "seventy-three million, four hundred six thousand, seven hundred thirty-nine".