75279996 has 48 divisors (see below), whose sum is σ = 212916480. Its totient is φ = 22811760.

The previous prime is 75279991. The next prime is 75280001. The reversal of 75279996 is 69997257.

It is an interprime number because it is at equal distance from previous prime (75279991) and next prime (75280001).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75279991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30496 + ... + 32871.

It is an arithmetic number, because the mean of its divisors is an integer number (4435760).

Almost surely, 2^75279996 is an apocalyptic number.

It is an amenable number.

75279996 is an abundant number, since it is smaller than the sum of its proper divisors (137636484).

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

75279996 is a wasteful number, since it uses less digits than its factorization.

75279996 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63391 (or 63383 counting only the distinct ones).

The product of its digits is 2143260, while the sum is 54.

The square root of 75279996 is about 8676.4045548833. The cubic root of 75279996 is about 422.2404759832.

The spelling of 75279996 in words is "seventy-five million, two hundred seventy-nine thousand, nine hundred ninety-six".