7542253236 has 192 divisors, whose sum is σ = 21109745664. Its totient is φ = 2051481600.

The previous prime is 7542253217. The next prime is 7542253261. The reversal of 7542253236 is 6323522457.

It is a junction number, because it is equal to n+sod(n) for n = 7542253194 and 7542253203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 35745171 + ... + 35745381.

It is an arithmetic number, because the mean of its divisors is an integer number (109946592).

Almost surely, 2^7542253236 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 7542253236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10554872832).

7542253236 is an abundant number, since it is smaller than the sum of its proper divisors (13567492428).

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

7542253236 is a wasteful number, since it uses less digits than its factorization.

7542253236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470 (or 468 counting only the distinct ones).

The product of its digits is 302400, while the sum is 39.

The square root of 7542253236 is about 86846.1469266196. The cubic root of 7542253236 is about 1961.1028462959.

The spelling of 7542253236 in words is "seven billion, five hundred forty-two million, two hundred fifty-three thousand, two hundred thirty-six".