74097146545 has 8 divisors (see below), whose sum is σ = 88935770880. Its totient is φ = 59264920560.

The previous prime is 74097146533. The next prime is 74097146549. The reversal of 74097146545 is 54564179047.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74097146545 - 2¹⁵ = 74097113777 is a prime.

It is a super-2 number, since 2×74097146545² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74097146492 and 74097146501.

It is not an unprimeable number, because it can be changed into a prime (74097146549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1574071 + ... + 1620460.

It is an arithmetic number, because the mean of its divisors is an integer number (11116971360).

Almost surely, 2^74097146545 is an apocalyptic number.

It is an amenable number.

74097146545 is a deficient number, since it is larger than the sum of its proper divisors (14838624335).

74097146545 is a wasteful number, since it uses less digits than its factorization.

74097146545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3199175.

The product of its (nonzero) digits is 4233600, while the sum is 52.

The spelling of 74097146545 in words is "seventy-four billion, ninety-seven million, one hundred forty-six thousand, five hundred forty-five".