740775 has 48 divisors (see below), whose sum is σ = 1499904. Its totient is φ = 314880.

The previous prime is 740749. The next prime is 740801. The reversal of 740775 is 577047.

740775 = 5² + 6² + ... + 130².

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (740749) and next prime (740801).

It is not a de Polignac number, because 740775 - 2⁶ = 740711 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8884 + ... + 8966.

It is an arithmetic number, because the mean of its divisors is an integer number (31248).

2⁷⁴⁰⁷⁷⁵ is an apocalyptic number.

740775 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

740775 is an abundant number, since it is smaller than the sum of its proper divisors (759129).

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

740775 is a wasteful number, since it uses less digits than its factorization.

740775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 115 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 740775 is about 860.6828684248. The cubic root of 740775 is about 90.4819821074.

The spelling of 740775 in words is "seven hundred forty thousand, seven hundred seventy-five".