73079989477 has 16 divisors (see below), whose sum is σ = 81602642880. Its totient is φ = 64871452800.

The previous prime is 73079989469. The next prime is 73079989547. The reversal of 73079989477 is 77498997037.

It is not a de Polignac number, because 73079989477 - 2³ = 73079989469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73079989457) 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, 1647327 + ... + 1691107.

It is an arithmetic number, because the mean of its divisors is an integer number (5100165180).

Almost surely, 2^73079989477 is an apocalyptic number.

It is an amenable number.

73079989477 is a deficient number, since it is larger than the sum of its proper divisors (8522653403).

73079989477 is a wasteful number, since it uses less digits than its factorization.

73079989477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47364.

The product of its (nonzero) digits is 168031584, while the sum is 70.

The spelling of 73079989477 in words is "seventy-three billion, seventy-nine million, nine hundred eighty-nine thousand, four hundred seventy-seven".