7277242500 has 480 divisors, whose sum is σ = 26252096640. Its totient is φ = 1764180000.

The previous prime is 7277242493. The next prime is 7277242541. The reversal of 7277242500 is 52427727.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a Saint-Exupery number, since it is equal to the product of the sides of a Pythagorean triangle: 2475 × 1485 × 1980.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 661567495 + ... + 661567505.

It is an arithmetic number, because the mean of its divisors is an integer number (54691868).

Almost surely, 2^7277242500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7277242500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13126048320).

7277242500 is an abundant number, since it is smaller than the sum of its proper divisors (18974854140).

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

7277242500 is an frugal number, since it uses more digits than its factorization.

7277242500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78 (or 21 counting only the distinct ones).

The product of its (nonzero) digits is 54880, while the sum is 36.

The square root of 7277242500 is about 85306.7553010897. The cubic root of 7277242500 is about 1937.8594823786.

The spelling of 7277242500 in words is "seven billion, two hundred seventy-seven million, two hundred forty-two thousand, five hundred".