740212830 has 160 divisors (see below), whose sum is σ = 2394754560. Its totient is φ = 160263360.

The previous prime is 740212813. The next prime is 740212853. The reversal of 740212830 is 38212047.

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

It is a junction number, because it is equal to n+sod(n) for n = 740212794 and 740212803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 104295 + ... + 111165.

It is an arithmetic number, because the mean of its divisors is an integer number (14967216).

Almost surely, 2^740212830 is an apocalyptic number.

740212830 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 740212830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1197377280).

740212830 is an abundant number, since it is smaller than the sum of its proper divisors (1654541730).

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

740212830 is a wasteful number, since it uses less digits than its factorization.

740212830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6916 (or 6907 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 740212830 is about 27206.8526294388. The cubic root of 740212830 is about 904.5908755835.

Adding to 740212830 its reverse (38212047), we get a palindrome (778424877).

The spelling of 740212830 in words is "seven hundred forty million, two hundred twelve thousand, eight hundred thirty".