1461673630 has 16 divisors (see below), whose sum is σ = 2692199664. Its totient is φ = 571072320.

The previous prime is 1461673597. The next prime is 1461673637. The reversal of 1461673630 is 363761641.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1461673630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1461673637) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1699191 + ... + 1700050.

It is an arithmetic number, because the mean of its divisors is an integer number (168262479).

Almost surely, 2^1461673630 is an apocalyptic number.

1461673630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1461673630 is a deficient number, since it is larger than the sum of its proper divisors (1230526034).

1461673630 is a wasteful number, since it uses less digits than its factorization.

1461673630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3399291.

The product of its (nonzero) digits is 54432, while the sum is 37.

The square root of 1461673630 is about 38231.8405259281. The cubic root of 1461673630 is about 1134.8805090686.

The spelling of 1461673630 in words is "one billion, four hundred sixty-one million, six hundred seventy-three thousand, six hundred thirty".