746777047 has 2 divisors, whose sum is σ = 746777048. Its totient is φ = 746777046.

The previous prime is 746777033. The next prime is 746777051. The reversal of 746777047 is 740777647.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 746777047 - 2²³ = 738388439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (746777027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 373388523 + 373388524.

It is an arithmetic number, because the mean of its divisors is an integer number (373388524).

Almost surely, 2^746777047 is an apocalyptic number.

746777047 is a deficient number, since it is larger than the sum of its proper divisors (1).

746777047 is an equidigital number, since it uses as much as digits as its factorization.

746777047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1613472, while the sum is 49.

The square root of 746777047 is about 27327.2217212069. The cubic root of 746777047 is about 907.2569845646.

The spelling of 746777047 in words is "seven hundred forty-six million, seven hundred seventy-seven thousand, forty-seven".