377928720 has 320 divisors, whose sum is σ = 1439074560. Its totient is φ = 90574848.

The previous prime is 377928713. The next prime is 377928721. The reversal of 377928720 is 27829773.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (377928721) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1207284 + ... + 1207596.

It is an arithmetic number, because the mean of its divisors is an integer number (4497108).

Almost surely, 2^377928720 is an apocalyptic number.

377928720 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 377928720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (719537280).

377928720 is an abundant number, since it is smaller than the sum of its proper divisors (1061145840).

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

377928720 is a wasteful number, since it uses less digits than its factorization.

377928720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391 (or 379 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 377928720 is about 19440.3888849992. The cubic root of 377928720 is about 722.9972279985.

The spelling of 377928720 in words is "three hundred seventy-seven million, nine hundred twenty-eight thousand, seven hundred twenty".