1530073974 has 64 divisors (see below), whose sum is σ = 3622848768. Its totient is φ = 424694400.

The previous prime is 1530073969. The next prime is 1530074003. The reversal of 1530073974 is 4793700351.

It is a happy number.

It is a super-2 number, since 2×1530073974² = 4682252731824305352, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 105592 + ... + 119204.

It is an arithmetic number, because the mean of its divisors is an integer number (56607012).

Almost surely, 2^1530073974 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1530073974, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1811424384).

1530073974 is an abundant number, since it is smaller than the sum of its proper divisors (2092774794).

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

1530073974 is a wasteful number, since it uses less digits than its factorization.

1530073974 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13773.

The product of its (nonzero) digits is 79380, while the sum is 39.

The square root of 1530073974 is about 39116.1600109213. The cubic root of 1530073974 is about 1152.3139229953.

The spelling of 1530073974 in words is "one billion, five hundred thirty million, seventy-three thousand, nine hundred seventy-four".