7421270774634 has 32 divisors (see below), whose sum is σ = 16507865465280. Its totient is φ = 2471334030000.

The previous prime is 7421270774633. The next prime is 7421270774651. The reversal of 7421270774634 is 4364770721247.

7421270774634 is a `hidden beast` number, since 7 + 42 + 1 + 2 + 70 + 77 + 463 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (7421270774633) 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, 67246992 + ... + 67357259.

It is an arithmetic number, because the mean of its divisors is an integer number (515870795790).

Almost surely, 2^{7421270774634} is an apocalyptic number.

7421270774634 is an abundant number, since it is smaller than the sum of its proper divisors (9086594690646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7421270774634 is a wasteful number, since it uses less digits than its factorization.

7421270774634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134605283 (or 134605277 counting only the distinct ones).

The product of its (nonzero) digits is 11063808, while the sum is 54.

The spelling of 7421270774634 in words is "seven trillion, four hundred twenty-one billion, two hundred seventy million, seven hundred seventy-four thousand, six hundred thirty-four".