74052132720465 has 64 divisors (see below), whose sum is σ = 122219519625216. Its totient is φ = 38258498967552.

The previous prime is 74052132720439. The next prime is 74052132720493. The reversal of 74052132720465 is 56402723125047.

It is not a de Polignac number, because 74052132720465 - 2¹² = 74052132716369 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1849572427 + ... + 1849612463.

It is an arithmetic number, because the mean of its divisors is an integer number (1909679994144).

Almost surely, 2^{74052132720465} is an apocalyptic number.

It is an amenable number.

74052132720465 is a deficient number, since it is larger than the sum of its proper divisors (48167386904751).

74052132720465 is a wasteful number, since it uses less digits than its factorization.

74052132720465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54618.

The product of its (nonzero) digits is 2822400, while the sum is 48.

The spelling of 74052132720465 in words is "seventy-four trillion, fifty-two billion, one hundred thirty-two million, seven hundred twenty thousand, four hundred sixty-five".