3734780631 has 16 divisors (see below), whose sum is σ = 5213496960. Its totient is φ = 2375028320.

The previous prime is 3734780597. The next prime is 3734780633. The reversal of 3734780631 is 1360874373.

It is a cyclic number.

It is not a de Polignac number, because 3734780631 - 2¹⁴ = 3734764247 is a prime.

It is a super-2 number, since 2×3734780631² = 27897172723385516322, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3734780633) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 251385 + ... + 265826.

It is an arithmetic number, because the mean of its divisors is an integer number (325843560).

Almost surely, 2^3734780631 is an apocalyptic number.

3734780631 is a deficient number, since it is larger than the sum of its proper divisors (1478716329).

3734780631 is a wasteful number, since it uses less digits than its factorization.

3734780631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517326.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 3734780631 is about 61112.8516025885. The cubic root of 3734780631 is about 1551.5116201619.

The spelling of 3734780631 in words is "three billion, seven hundred thirty-four million, seven hundred eighty thousand, six hundred thirty-one".