3720063157 has 4 divisors (see below), whose sum is σ = 3723895296. Its totient is φ = 3716231020.

The previous prime is 3720063133. The next prime is 3720063173. The reversal of 3720063157 is 7513600273.

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, and also an emirpimes, since its reverse is a distinct semiprime: 7513600273 = 1583 ⋅4746431.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3720063157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3720063197) 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, 1914613 + ... + 1916554.

It is an arithmetic number, because the mean of its divisors is an integer number (930973824).

Almost surely, 2^3720063157 is an apocalyptic number.

It is an amenable number.

3720063157 is a deficient number, since it is larger than the sum of its proper divisors (3832139).

3720063157 is an equidigital number, since it uses as much as digits as its factorization.

3720063157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3832138.

The product of its (nonzero) digits is 26460, while the sum is 34.

The square root of 3720063157 is about 60992.3204756140. The cubic root of 3720063157 is about 1549.4709477114.

The spelling of 3720063157 in words is "three billion, seven hundred twenty million, sixty-three thousand, one hundred fifty-seven".