1373724390 has 64 divisors (see below), whose sum is σ = 3436572672. Its totient is φ = 351043200.

The previous prime is 1373724371. The next prime is 1373724431. The reversal of 1373724390 is 934273731.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 88620 + ... + 102960.

It is an arithmetic number, because the mean of its divisors is an integer number (53696448).

Almost surely, 2^1373724390 is an apocalyptic number.

1373724390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1373724390, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1718286336).

1373724390 is an abundant number, since it is smaller than the sum of its proper divisors (2062848282).

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

1373724390 is a wasteful number, since it uses less digits than its factorization.

1373724390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14485.

The product of its (nonzero) digits is 95256, while the sum is 39.

The square root of 1373724390 is about 37063.7881226407. The cubic root of 1373724390 is about 1111.6460684380.

The spelling of 1373724390 in words is "one billion, three hundred seventy-three million, seven hundred twenty-four thousand, three hundred ninety".