75403727425461 has 16 divisors (see below), whose sum is σ = 106061367953600. Its totient is φ = 47519198011008.

The previous prime is 75403727425447. The next prime is 75403727425471. The reversal of 75403727425461 is 16452472730457.

It is not a de Polignac number, because 75403727425461 - 2¹¹ = 75403727423413 is a prime.

It is a super-2 number, since 2×75403727425461² (a number of 29 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75403727425441) 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, 1447317946 + ... + 1447370043.

It is an arithmetic number, because the mean of its divisors is an integer number (6628835497100).

Almost surely, 2^{75403727425461} is an apocalyptic number.

It is an amenable number.

75403727425461 is a deficient number, since it is larger than the sum of its proper divisors (30657640528139).

75403727425461 is a wasteful number, since it uses less digits than its factorization.

75403727425461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2894688468.

The product of its (nonzero) digits is 39513600, while the sum is 57.

The spelling of 75403727425461 in words is "seventy-five trillion, four hundred three billion, seven hundred twenty-seven million, four hundred twenty-five thousand, four hundred sixty-one".