742646620477 has 8 divisors (see below), whose sum is σ = 792957363264. Its totient is φ = 693837691008.

The previous prime is 742646620451. The next prime is 742646620481. The reversal of 742646620477 is 774026646247.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-742646620477 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 (742646620277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375452308 + ... + 375454285.

It is an arithmetic number, because the mean of its divisors is an integer number (99119670408).

Almost surely, 2^742646620477 is an apocalyptic number.

It is an amenable number.

742646620477 is a deficient number, since it is larger than the sum of its proper divisors (50310742787).

742646620477 is a wasteful number, since it uses less digits than its factorization.

742646620477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750906659.

The product of its (nonzero) digits is 18966528, while the sum is 55.

The spelling of 742646620477 in words is "seven hundred forty-two billion, six hundred forty-six million, six hundred twenty thousand, four hundred seventy-seven".