746451440 has 40 divisors (see below), whose sum is σ = 1983429600. Its totient is φ = 255926016.

The previous prime is 746451439. The next prime is 746451451. The reversal of 746451440 is 44154647.

It is a tau number, because it is divible by the number of its divisors (40).

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 746451440.

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, 665915 + ... + 667034.

It is an arithmetic number, because the mean of its divisors is an integer number (49585740).

Almost surely, 2^746451440 is an apocalyptic number.

746451440 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

746451440 is an abundant number, since it is smaller than the sum of its proper divisors (1236978160).

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

746451440 is a wasteful number, since it uses less digits than its factorization.

746451440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1332969 (or 1332963 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 746451440 is about 27321.2635139739. The cubic root of 746451440 is about 907.1251057703.

The spelling of 746451440 in words is "seven hundred forty-six million, four hundred fifty-one thousand, four hundred forty".