37487940 has 144 divisors (see below), whose sum is σ = 125483904. Its totient is φ = 8332800.

The previous prime is 37487939. The next prime is 37487963. The reversal of 37487940 is 4978473.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 37487892 and 37487901.

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, 120385 + ... + 120695.

It is an arithmetic number, because the mean of its divisors is an integer number (871416).

Almost surely, 2^37487940 is an apocalyptic number.

37487940 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 37487940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62741952).

37487940 is an abundant number, since it is smaller than the sum of its proper divisors (87995964).

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

37487940 is a wasteful number, since it uses less digits than its factorization.

37487940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378 (or 369 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 37487940 is about 6122.7395828991. The cubic root of 37487940 is about 334.6805895878.

The spelling of 37487940 in words is "thirty-seven million, four hundred eighty-seven thousand, nine hundred forty".