75450940 has 12 divisors (see below), whose sum is σ = 158447016. Its totient is φ = 30180368.

The previous prime is 75450937. The next prime is 75450979. The reversal of 75450940 is 4905457.

It is a junction number, because it is equal to n+sod(n) for n = 75450896 and 75450905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1886254 + ... + 1886293.

It is an arithmetic number, because the mean of its divisors is an integer number (13203918).

Almost surely, 2^75450940 is an apocalyptic number.

It is an amenable number.

75450940 is an abundant number, since it is smaller than the sum of its proper divisors (82996076).

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

75450940 is a wasteful number, since it uses less digits than its factorization.

75450940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772556 (or 3772554 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 75450940 is about 8686.2500539646. The cubic root of 75450940 is about 422.5598388689.

The spelling of 75450940 in words is "seventy-five million, four hundred fifty thousand, nine hundred forty".