3725436761 has 4 divisors (see below), whose sum is σ = 3921512400. Its totient is φ = 3529361124.

The previous prime is 3725436731. The next prime is 3725436769. The reversal of 3725436761 is 1676345273.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3725436761 - 2³⁰ = 2651694937 is a prime.

It is a super-2 number, since 2×3725436761² = 27757758120420342242, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3725436769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98037791 + ... + 98037828.

It is an arithmetic number, because the mean of its divisors is an integer number (980378100).

Almost surely, 2^3725436761 is an apocalyptic number.

It is an amenable number.

3725436761 is a deficient number, since it is larger than the sum of its proper divisors (196075639).

3725436761 is a wasteful number, since it uses less digits than its factorization.

3725436761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196075638.

The product of its digits is 635040, while the sum is 44.

The square root of 3725436761 is about 61036.3560593193. The cubic root of 3725436761 is about 1550.2166552509.

The spelling of 3725436761 in words is "three billion, seven hundred twenty-five million, four hundred thirty-six thousand, seven hundred sixty-one".