74703030 has 16 divisors (see below), whose sum is σ = 179287344. Its totient is φ = 19920800.

The previous prime is 74703029. The next prime is 74703053. The reversal of 74703030 is 3030747.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1245021 + ... + 1245080.

It is an arithmetic number, because the mean of its divisors is an integer number (11205459).

Almost surely, 2^74703030 is an apocalyptic number.

74703030 is an abundant number, since it is smaller than the sum of its proper divisors (104584314).

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

74703030 is a wasteful number, since it uses less digits than its factorization.

74703030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2490111.

The product of its (nonzero) digits is 1764, while the sum is 24.

The square root of 74703030 is about 8643.0914608142. The cubic root of 74703030 is about 421.1589870502.

Adding to 74703030 its reverse (3030747), we get a palindrome (77733777).

The spelling of 74703030 in words is "seventy-four million, seven hundred three thousand, thirty".