75080742 has 48 divisors (see below), whose sum is σ = 173772480. Its totient is φ = 21550320.

The previous prime is 75080741. The next prime is 75080743. The reversal of 75080742 is 24708057.

It is an interprime number because it is at equal distance from previous prime (75080741) and next prime (75080743).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75080741) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11073 + ... + 16515.

It is an arithmetic number, because the mean of its divisors is an integer number (3620260).

Almost surely, 2^75080742 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75080742, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86886240).

75080742 is an abundant number, since it is smaller than the sum of its proper divisors (98691738).

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

75080742 is a wasteful number, since it uses less digits than its factorization.

75080742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5489 (or 5478 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 33.

The square root of 75080742 is about 8664.9144254286. The cubic root of 75080742 is about 421.8676126882.

Adding to 75080742 its reverse (24708057), we get a palindrome (99788799).

The spelling of 75080742 in words is "seventy-five million, eighty thousand, seven hundred forty-two".