74873465 has 4 divisors (see below), whose sum is σ = 89848164. Its totient is φ = 59898768.

The previous prime is 74873437. The next prime is 74873473. The reversal of 74873465 is 56437847.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56437847 = 19 ⋅2970413.

It can be written as a sum of positive squares in 2 ways, for example, as 45050944 + 29822521 = 6712^2 + 5461^2 .

It is a cyclic number.

It is not a de Polignac number, because 74873465 - 2¹² = 74869369 is a prime.

It is a super-2 number, since 2×74873465² = 11212071522212450, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7487342 + ... + 7487351.

It is an arithmetic number, because the mean of its divisors is an integer number (22462041).

Almost surely, 2^74873465 is an apocalyptic number.

It is an amenable number.

74873465 is a deficient number, since it is larger than the sum of its proper divisors (14974699).

74873465 is a wasteful number, since it uses less digits than its factorization.

74873465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14974698.

The product of its digits is 564480, while the sum is 44.

The square root of 74873465 is about 8652.9454522723. The cubic root of 74873465 is about 421.4790352560.

The spelling of 74873465 in words is "seventy-four million, eight hundred seventy-three thousand, four hundred sixty-five".