766372043 has 4 divisors (see below), whose sum is σ = 767187408. Its totient is φ = 765556680.

The previous prime is 766372027. The next prime is 766372051. The reversal of 766372043 is 340273667.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 340273667 = 3989 ⋅85303.

It is a cyclic number.

It is not a de Polignac number, because 766372043 - 2⁴ = 766372027 is a prime.

It is a super-2 number, since 2×766372043² = 1174652216583987698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 766371988 and 766372006.

It is not an unprimeable number, because it can be changed into a prime (766372073) 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, 406271 + ... + 408152.

It is an arithmetic number, because the mean of its divisors is an integer number (191796852).

Almost surely, 2^766372043 is an apocalyptic number.

766372043 is a deficient number, since it is larger than the sum of its proper divisors (815365).

766372043 is an equidigital number, since it uses as much as digits as its factorization.

766372043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815364.

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 766372043 is about 27683.4254202763. The cubic root of 766372043 is about 915.1238718696.

The spelling of 766372043 in words is "seven hundred sixty-six million, three hundred seventy-two thousand, forty-three".