764213043 has 16 divisors (see below), whose sum is σ = 1118670336. Its totient is φ = 460206240.

The previous prime is 764212987. The next prime is 764213081. The reversal of 764213043 is 340312467.

It is not a de Polignac number, because 764213043 - 2¹⁰ = 764212019 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 764213043.

It is not an unprimeable number, because it can be changed into a prime (764213743) 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, 68571 + ... + 78932.

It is an arithmetic number, because the mean of its divisors is an integer number (69916896).

Almost surely, 2^764213043 is an apocalyptic number.

764213043 is a deficient number, since it is larger than the sum of its proper divisors (354457293).

764213043 is a wasteful number, since it uses less digits than its factorization.

764213043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147674.

The product of its (nonzero) digits is 12096, while the sum is 30.

The square root of 764213043 is about 27644.4034661629. The cubic root of 764213043 is about 914.2637105812.

The spelling of 764213043 in words is "seven hundred sixty-four million, two hundred thirteen thousand, forty-three".