3607400421 has 16 divisors (see below), whose sum is σ = 5404348800. Its totient is φ = 2377910304.

The previous prime is 3607400351. The next prime is 3607400429. The reversal of 3607400421 is 1240047063.

It is not a de Polignac number, because 3607400421 - 2¹⁷ = 3607269349 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3607400429) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 748201 + ... + 753006.

It is an arithmetic number, because the mean of its divisors is an integer number (337771800).

Almost surely, 2^3607400421 is an apocalyptic number.

It is an amenable number.

3607400421 is a deficient number, since it is larger than the sum of its proper divisors (1796948379).

3607400421 is a wasteful number, since it uses less digits than its factorization.

3607400421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1501305 (or 1501299 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 3607400421 is about 60061.6385141131. The cubic root of 3607400421 is about 1533.6683334784.

Adding to 3607400421 its reverse (1240047063), we get a palindrome (4847447484).

The spelling of 3607400421 in words is "three billion, six hundred seven million, four hundred thousand, four hundred twenty-one".