73403400770 has 32 divisors (see below), whose sum is σ = 151020896256. Its totient is φ = 25163611200.

The previous prime is 73403400757. The next prime is 73403400793. The reversal of 73403400770 is 7700430437.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 73403400770.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509360 + ... + 637380.

It is an arithmetic number, because the mean of its divisors is an integer number (4719403008).

Almost surely, 2^73403400770 is an apocalyptic number.

73403400770 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73403400770 is an abundant number, since it is smaller than the sum of its proper divisors (77617495486).

73403400770 is a wasteful number, since it uses less digits than its factorization.

73403400770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136226.

The product of its (nonzero) digits is 49392, while the sum is 35.

The spelling of 73403400770 in words is "seventy-three billion, four hundred three million, four hundred thousand, seven hundred seventy".