74623140546 has 16 divisors (see below), whose sum is σ = 151290751584. Its totient is φ = 24533635104.

The previous prime is 74623140523. The next prime is 74623140601. The reversal of 74623140546 is 64504132647.

It is a happy number.

It is a super-2 number, since 2×74623140546² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 74623140498 and 74623140507.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85185796 + ... + 85186671.

It is an arithmetic number, because the mean of its divisors is an integer number (9455671974).

Almost surely, 2^74623140546 is an apocalyptic number.

74623140546 is an abundant number, since it is smaller than the sum of its proper divisors (76667611038).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74623140546 is a wasteful number, since it uses less digits than its factorization.

74623140546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170372545.

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 74623140546 in words is "seventy-four billion, six hundred twenty-three million, one hundred forty thousand, five hundred forty-six".