7273746420 has 24 divisors (see below), whose sum is σ = 20366490144. Its totient is φ = 1939665696.

The previous prime is 7273746419. The next prime is 7273746449. The reversal of 7273746420 is 246473727.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60614494 + ... + 60614613.

It is an arithmetic number, because the mean of its divisors is an integer number (848603756).

Almost surely, 2^7273746420 is an apocalyptic number.

It is an amenable number.

7273746420 is an abundant number, since it is smaller than the sum of its proper divisors (13092743724).

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

7273746420 is a wasteful number, since it uses less digits than its factorization.

7273746420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121229119 (or 121229117 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 42.

The square root of 7273746420 is about 85286.2616134627. The cubic root of 7273746420 is about 1937.5491085437.

The spelling of 7273746420 in words is "seven billion, two hundred seventy-three million, seven hundred forty-six thousand, four hundred twenty".