73455511401 has 96 divisors (see below), whose sum is σ = 117661040640. Its totient is φ = 43999579008.

The previous prime is 73455511351. The next prime is 73455511403. The reversal of 73455511401 is 10411555437.

It is not a de Polignac number, because 73455511401 - 2⁹ = 73455510889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73455511403) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 98863036 + ... + 98863778.

It is an arithmetic number, because the mean of its divisors is an integer number (1225635840).

Almost surely, 2^73455511401 is an apocalyptic number.

It is an amenable number.

73455511401 is a deficient number, since it is larger than the sum of its proper divisors (44205529239).

73455511401 is a wasteful number, since it uses less digits than its factorization.

73455511401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1224 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 73455511401 in words is "seventy-three billion, four hundred fifty-five million, five hundred eleven thousand, four hundred one".