742477771007 has 16 divisors (see below), whose sum is σ = 869281315392. Its totient is φ = 620859444480.

The previous prime is 742477771003. The next prime is 742477771033. The reversal of 742477771007 is 700177774247.

It is a happy number.

It is not a de Polignac number, because 742477771007 - 2² = 742477771003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 742477771007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742477771003) 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, 8570633 + ... + 8656829.

It is an arithmetic number, because the mean of its divisors is an integer number (54330082212).

Almost surely, 2^742477771007 is an apocalyptic number.

742477771007 is a deficient number, since it is larger than the sum of its proper divisors (126803544385).

742477771007 is a wasteful number, since it uses less digits than its factorization.

742477771007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116258.

The product of its (nonzero) digits is 3764768, while the sum is 53.

The spelling of 742477771007 in words is "seven hundred forty-two billion, four hundred seventy-seven million, seven hundred seventy-one thousand, seven".