75987402 has 16 divisors (see below), whose sum is σ = 153172992. Its totient is φ = 25129440.

The previous prime is 75987397. The next prime is 75987409. The reversal of 75987402 is 20478957.

It is not an unprimeable number, because it can be changed into a prime (75987409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49099 + ... + 50622.

It is an arithmetic number, because the mean of its divisors is an integer number (9573312).

Almost surely, 2^75987402 is an apocalyptic number.

75987402 is an abundant number, since it is smaller than the sum of its proper divisors (77185590).

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

75987402 is a wasteful number, since it uses less digits than its factorization.

75987402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99853.

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 75987402 is about 8717.0753122822. The cubic root of 75987402 is about 423.5589523490.

The spelling of 75987402 in words is "seventy-five million, nine hundred eighty-seven thousand, four hundred two".