420072953774 has 16 divisors (see below), whose sum is σ = 630651997680. Its totient is φ = 209855681280.

The previous prime is 420072953771. The next prime is 420072953813. The reversal of 420072953774 is 477359270024.

It is a happy number.

It is a super-2 number, since 2×420072953774² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420072953771) 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, 18768062 + ... + 18790430.

It is an arithmetic number, because the mean of its divisors is an integer number (39415749855).

Almost surely, 2^420072953774 is an apocalyptic number.

420072953774 is a deficient number, since it is larger than the sum of its proper divisors (210579043906).

420072953774 is a wasteful number, since it uses less digits than its factorization.

420072953774 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30035.

The product of its (nonzero) digits is 2963520, while the sum is 50.

The spelling of 420072953774 in words is "four hundred twenty billion, seventy-two million, nine hundred fifty-three thousand, seven hundred seventy-four".