7274079540 has 288 divisors, whose sum is σ = 27254223360. Its totient is φ = 1529238528.

The previous prime is 7274079539. The next prime is 7274079551. The reversal of 7274079540 is 459704727.

It is a super-2 number, since 2×7274079540² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5879802 + ... + 5881038.

It is an arithmetic number, because the mean of its divisors is an integer number (94632720).

Almost surely, 2^7274079540 is an apocalyptic number.

7274079540 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7274079540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13627111680).

7274079540 is an abundant number, since it is smaller than the sum of its proper divisors (19980143820).

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

7274079540 is a wasteful number, since it uses less digits than its factorization.

7274079540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1631 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 493920, while the sum is 45.

The square root of 7274079540 is about 85288.2145433940. The cubic root of 7274079540 is about 1937.5786864470.

The spelling of 7274079540 in words is "seven billion, two hundred seventy-four million, seventy-nine thousand, five hundred forty".