275074428 has 24 divisors (see below), whose sum is σ = 659188432. Its totient is φ = 89213184.

The previous prime is 275074427. The next prime is 275074447. The reversal of 275074428 is 824470572.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (275074427) 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, 309325 + ... + 310212.

Almost surely, 2^275074428 is an apocalyptic number.

It is an amenable number.

275074428 is an abundant number, since it is smaller than the sum of its proper divisors (384114004).

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

275074428 is a wasteful number, since it uses less digits than its factorization.

275074428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619581 (or 619579 counting only the distinct ones).

The product of its (nonzero) digits is 125440, while the sum is 39.

The square root of 275074428 is about 16585.3678885938. The cubic root of 275074428 is about 650.3543850551.

The spelling of 275074428 in words is "two hundred seventy-five million, seventy-four thousand, four hundred twenty-eight".