75486740 has 48 divisors (see below), whose sum is σ = 185601024. Its totient is φ = 25248000.

The previous prime is 75486737. The next prime is 75486769. The reversal of 75486740 is 4768457.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 836 + ... + 12315.

It is an arithmetic number, because the mean of its divisors is an integer number (3866688).

Almost surely, 2^75486740 is an apocalyptic number.

75486740 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 75486740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92800512).

75486740 is an abundant number, since it is smaller than the sum of its proper divisors (110114284).

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

75486740 is a wasteful number, since it uses less digits than its factorization.

75486740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13208 (or 13206 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 75486740 is about 8688.3105377283. The cubic root of 75486740 is about 422.6266604365.

The spelling of 75486740 in words is "seventy-five million, four hundred eighty-six thousand, seven hundred forty".