75772340 has 24 divisors (see below), whose sum is σ = 181853952. Its totient is φ = 25979040.

The previous prime is 75772313. The next prime is 75772357. The reversal of 75772340 is 4327757.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 75772340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270476 + ... + 270755.

It is an arithmetic number, because the mean of its divisors is an integer number (7577248).

Almost surely, 2^75772340 is an apocalyptic number.

75772340 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

75772340 is an abundant number, since it is smaller than the sum of its proper divisors (106081612).

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

75772340 is a wasteful number, since it uses less digits than its factorization.

75772340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541247 (or 541245 counting only the distinct ones).

The product of its (nonzero) digits is 41160, while the sum is 35.

The square root of 75772340 is about 8704.7308976211. The cubic root of 75772340 is about 423.1589847008.

The spelling of 75772340 in words is "seventy-five million, seven hundred seventy-two thousand, three hundred forty".